Home / 25,656.77-38,456.37-16,789.16

Finding the Fourth Proportional to 25,656.77, 38,456.37 and 16,789.16

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Solution

The fourth proportional to 25,656.77, 38,456.37 and 16,789.16 is: 25,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.77 : 38,456.37 = 16,789.16 : x
  2. Step 2: Convert to fraction form
    25,656.77/38,456.37 = 16,789.16/x
  3. Step 3: Cross multiply
    25,656.77x = 38,456.37 × 16,789.16
  4. Step 4: Simplify right side
    25,656.77x = 645,649,956.67
  5. Step 5: Solve for x
    x = 645,649,956.67/25,656.77
  6. Step 6: Final answer
    x = 25,164.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.